package com.liangjie.test;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class ShowAllParams extends HttpServlet {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		resp.setContentType("text/html");
		PrintWriter pw = resp.getWriter();
		Enumeration<?> params = req.getParameterNames();
		while (params.hasMoreElements()) {
			String paramName = (String)params.nextElement();
			String[] paramValues = req.getParameterValues(paramName);
			
			if (paramValues.length == 0) {
				pw.write("No Value");
			} else {
				for (int i = 0; i < paramValues.length; i++) {
					pw.write(paramName + "-->" + paramValues[i] + "<br/>");
				}
			}
		}
	}

	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		doGet(req, resp);
	}
	
}
